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Christian Kalkschmidt
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Aachen, DE
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Patents Grants
last 30 patents
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Patent Grant
LED driver, lighting system and driving method with prolonged lifet...
Patent number
9,900,939
Issue date
Feb 20, 2018
Philips Lighting Holding B.V.
Etienne Nicolaas Kathalijntje Paulus Marie Eberson
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Detection of a hazard condition of a load
Patent number
9,750,109
Issue date
Aug 29, 2017
OLEDWORKS GMBH
Christian Kalkschmidt
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Short detection circuit for an LED driver and short detection method
Patent number
9,723,685
Issue date
Aug 1, 2017
OLEDWORKS GMBH
Christian Kalkschmidt
G01 - MEASURING TESTING
Information
Patent Grant
Current determination apparatus
Patent number
9,173,268
Issue date
Oct 27, 2015
Koninklijke Philips N.V.
Dirk Hente
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for adjusting a color point of light emitted from an organic...
Patent number
9,161,416
Issue date
Oct 13, 2015
Koninklijke Philips N.V.
Dirk Hente
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
OPERATING AN LED MATRIX WHERE POWER SUPPLY VOLTAGE IS LESS THAN TOT...
Publication number
20230199930
Publication date
Jun 22, 2023
Lumileds LLC
Christian KALKSCHMIDT
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LED DRIVER AND DRIVING METHOD
Publication number
20160212819
Publication date
Jul 21, 2016
PHILIPS LIGHTING HOLDING B.V.
ETIENNE NICHOLAAS KATHALIJNTJE PAULUS MARIE EBERSON
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHORT DETECTION CIRCUIT FOR AN LED DRIVER AND SHORT DETECTION METHOD
Publication number
20160212820
Publication date
Jul 21, 2016
OLEDWorks GmbH
Christian Kalkschmidt
G01 - MEASURING TESTING
Information
Patent Application
LED DRIVER, LIGHTING SYSTEM AND DRIVING METHOD WITH PROLONGED LIFET...
Publication number
20160212807
Publication date
Jul 21, 2016
PHILIPS LIGHTING HOLDING B.V.
ETIENNE NICOLAAS KATHALIJNTJE PAULUS MARIE EBERSON
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DETECTION OF A HAZARD CONDITION OF A LOAD
Publication number
20160007415
Publication date
Jan 7, 2016
Koninklijke Philips N.V.
Christian KALKSCHMIDT
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR ADJUSTING A COLOR POINT OF LIGHT EMITTED FROM AN ORGANIC...
Publication number
20140354183
Publication date
Dec 4, 2014
Dirk Hente
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CURRENT DETERMINATION APPARATUS
Publication number
20140176012
Publication date
Jun 26, 2014
Koninklijke Philips N.V.
Dirk Hente
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ELECTROLUMINESCENT DEVICE WITH ADJUSTABLE COLOR POINT
Publication number
20130249393
Publication date
Sep 26, 2013
Koninklijke Philips Electronics N.V.
Dirk Hente
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR